#include<stdio.h>
#include<string.h>

int main()
{
	FILE* fp = fopen("myfile","w");
	if(!fp)
		printf("fopen error!\n");
	const char* msg = "hello bit!\n";
	int count = 5;
	while(count--)
	{
		fwrite(msg,strlen(msg),1,fp);
	}
	fclose(fp);
	return 0;
}
